Compatible With the Traxxas 1/18 Teton, 1/16 Summit, 1/16 E-Revo, Redcat 1/18 Volcano, 1/10 Tornado S30 Buggy, ECX 1/18 Temper, 1/18 Ruckus, 1/10 AMP Desert Buggy & 1/10 Boost Buggy. Will work on many 1/18-1/16 Scale Vehicles & 1/10 Buggies 55mm Long - Mounting at 43mm or 58mm with the mounting feet facing in or out (see last picture) Please measure where you plan on mounting it to make sure it will fit 3 SUPER BRIGHT LED LIGHTS - Great for running at night, or in poorly lit areas. Can be mounted on the roof for a truck scale appearance, or on the hood to be better protected during rollovers. Includes 4 screws and bolts to securely mount the light bar to the body With the use of our #9025 (ASIN B07BKSGW3D) electronic switch the light bar can be turned on & off remote via the remote (spare channel required) 4.8V-6.0V Input - Can be powered through any spare channel in receiver, if a channel isn't available a Y-Harness (Apex RC Products #1031) can we used. If installed in a vehicle with a sealed receiver box we recommend using a 3" or 6" (Apex RC Products #1002 or #1006) to make taking the body on and off easier. Apex RC Products is a company of radio control hobby enthusiasts that creates and carries products we use ourselves. All of our products are high quality at a great value.